At 1415 hrs Spring Township Police Dept. responded to the 2800 Blk Shillington Road for a report of a two vehicle accident involving a school bus and a passenger vehicle. Preliminary investigation indicates that a westbound Wilson School District bus was turning left onto Spohn Road from Shillington Road and was struck by a eastbound passenger vehicle. Impact occurred on the passenger side rear of the school bus. The school bus was occupied by 36 Wilson Middle School students, bus driver and two supervising adults. Two male Middle School students were transported by Western Berks Ambulance to St. Joseph's Hospital with minor injuries. An additional 15 students were transported to Reading Hospital for evaluation. The female driver of the passenger vehicle was transported to Reading Hospital by Western Berks Ambulance for various injuries. Police received assistance from Western Berks Ambulance, Township of Spring Fire Dept, West Side EMA and various other local agencies. Investigation into the cause of the accident is on-going. Remaining uninjured students were transported to their residence by Wilson School District Transportation employees. Anyone having witnessed this accident is asked to contact Spring Township Police Department at 610-678-3431.